Stu hiked a trail at an average rate of 3 miles per hour. He ran back on the same trail at an average rate of 5 miles per hour. He traveled for a total of 3 hours. WILL GIVE BRAINLIEST

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

1. what is the formula for finding the vertical distance between two points on a coordinate plane?